footer {
	width: 100%;
	height: 50px;
	position: fixed;
	bottom: 0;
	left: 0;
	background: #222;
	z-index: 999;
}

footer ul a {
	display: block;
	width: 25%;
	float: left;
	height: 100%;
}

footer ul i {
	display: block;
	width: 18px;
	height: 18px;
	background: url(../img/btn_nav.png) no-repeat;
	margin: 6px auto;
}


footer ul a .home {
	
	background-size: 40px 90px;
}

footer ul a .cate {
	background-size: 40px 93px;
	background-position: 0 -52px;
}


footer ul a .shopCar {
	background-size: 40px 90px;
	background-position: 0 -17px;
}

footer ul a .mine {
	background-size: 40px 90px;
	background-position: 0 -68px;
}

footer ul li span {
	display: block;
	text-align: center;
}



